Extract GetNodeByID() method from BookmarkModel.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h"
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 50 matching lines @@
 namespace SortChildren = api::bookmark_manager_private::SortChildren;
 namespace StartDrag = api::bookmark_manager_private::StartDrag;
 namespace UndoInfo = api::bookmark_manager_private::GetUndoInfo;
 
 using content::WebContents;
 
 namespace {
 
 // Returns a single bookmark node from the argument ID.
 // This returns NULL in case of failure.
-const BookmarkNode* GetNodeFromString(
-    BookmarkModel* model, const std::string& id_string) {
+const BookmarkNode* GetNodeFromString(BookmarkModel* model,
+                                      const std::string& id_string) {
   int64 id;
   if (!base::StringToInt64(id_string, &id))
     return NULL;
-  return model->GetNodeByID(id);
+  return bookmark_utils::GetNodeByID(model, id);
 }
 
 // Gets a vector of bookmark nodes from the argument list of IDs.
 // This returns false in the case of failure.
 bool GetNodesFromVector(BookmarkModel* model,
                         const std::vector<std::string>& id_strings,
                         std::vector<const BookmarkNode*>* nodes) {
 
   if (id_strings.empty())
     return false;
@@ skipping 618 matching lines @@
   result.enabled = undo_manager->redo_count() > 0;
   result.label = base::UTF16ToUTF8(undo_manager->GetRedoLabel());
 
   results_ = RedoInfo::Results::Create(result);
 #endif  // !defined(OS_ANDROID)
 
   return true;
 }
 
 }  // namespace extensions